how to modify your cable modem to very high speeds

First, u need to go to Start,

then run.

Type in regedit in the box.

Next,go to the folder HKEY_LOCAL_MACHINE\System\CurrentControlSet\SERVICE\VxD\MSTCP

Now, find the string "DefaultRcvWindow " . Now, edit the number to 64240 then restart your computer. There you go. High speed cable modem now with out dloading a program. Original value is 373360